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The Community Development Department has historically granted these requests for extended hours of operation for a minimum of 14 nights to a maximum of 32 nights from 2007 through 2011. The request from Munn and Perkins to operate at night are for roadwork and paving jobs and is due to traffic volumes at night on a roadway facility are typically much lower than during daylight hours, which is often the main reason that work is performed at night.Additionally, state agencies such as Caltrans are doing paving and roadway work on high traffic volume State Highways at night to reduce adverse traffic impacts and complaints by the public that typically occur when the same work is done during the day. Discussion of Project Issues Environmental Impact Report No. PA-0900114 (SCH#2005082001) was prepared for this project. Issues for which significant impacts that could not be mitigated were identified and issues that have been raised in written and oral comments are discussed below. As described in the EIR Chapter 2. "Project Description", the environmental changes analyzed in this EIR pertain only to the proposed changes in operating during nighttime hours 9:OO p.m. — 5:00 a.m. for no more than 125 days per year. All other permitted uses of the existing facility will remain unchanged. Visual and Liahtina Existing lighting at the plant consists of safety lighting at the processing area. The Public Works Department has expressed the need for additional traffic safety lighting at the plant entrance. Additional safety lighting at the plant entrance on East River Road would be the only additional lighting on the project site. Residential land uses are particularly sensitive to new light sources, however, there are no residences or other sensitive receptors near the project entrance that would be substantially affected by the addition of safety lighting. One rural residence to the east has a partially obstructed view of the project site, however new safety lighting will not be directly visible to this residence. Furthermore, because the project site is surrounded by almond orchards on all sides and because there is a long private driveway connecting the project site to East River Road, motorists traveling along East River Road and other rural residences in the area do not have direct views of the project site. Although the lighting would not be directly visible from identified sensitive receptors,there is a potential to create a source of glare on East River Road. General Plan Volume I, pg,VI-6 recognizes East River Road as a scenic route;therefore, this impact is considered potentially significant Mitigation Measures Measure 3.1.1: All outdoor lighting will be required to be fully shielded and shall adhere to Section 9- 1025.6 of the Development Code in order to minimize any impacts resulting from outdoor lighting on adjacent properties. Significance After Mitigation: The use of shielding and compliance with County standards for outdoor lighting would reduce the potential impact to less than significant. Transportation and Traffic A Traffic Study was conducted to determine the extent to which the proposed extension of operating hours to include nighttime activities at the Project site would adversely affect traffic flow conditions on area roadways, on the basis of estimated hourly trip generation during the nighttime hours of 9:00 PM to 5:00 AM, and the evaluation of level of service conditions with and without the Project. The intensity and nature of the Project activities associated with extending operating hours would vary, and the number of vehicle trips generated by that activity would similarly vary. The Project is expected to generate a maximum of 33 loaded truck trips (66 one-way truck trips) during the first extended hour (9:00 to 10:00 PM) and about 13 loaded truck trips (26 one-way truck trips) per hour between 10:00 PM and 5:00 AM, resulting in approximately 248 one-way truck trips between 9:00 PM and 5:00 AM. San Joaquin County QX-89-0002/Aggregates Inc. Community Development Page 5